In this May 18, 2012 file photo, then Egyptian presidential candidate Abdel-Monaem Abul Fetouh, waves to his supporters during a campaign rally in Cairo, Egypt. Abul Fetouh, a senior Islamist leader, was detained Wednesday over alleged links to the outlawed Muslim Brotherhood group, has been referred to state security prosecutors for questioning. Abul Fetouh was a longtime Brotherhood member, but quit the group in 2011 to run for president in 2012. (AP Photo/Khalil Hamra, File)